/*
 * All source code included in this jQuery Plugin
is, unless otherwise specified, released under the MIT licence as
follows:

----- begin license block -----

Copyright 2013-2017 Deux Huit Huit

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

----- end license block -----
 *
 */
(function($, window, document, undefined) {
  $.fn.quicksearch = function (target, opt) {
    
    var timeout, cache, rowcache, jq_results, val = '', e = this, options = $.extend({ 
      delay: 100,
      selector: null,
      stripeRows: null,
      loader: null,
      noResults: '',
      matchedResultsCount: 0,
      bind: 'keyup',
      onBefore: function () { 
        return;
      },
      onAfter: function () { 
        return;
      },
      show: function () {
        this.style.display = "";
      },
      hide: function () {
        this.style.display = "none";
      },
      prepareQuery: function (val) {
        return val.toLowerCase().split(' ');
      },
      testQuery: function (query, txt, _row) {
        for (var i = 0; i < query.length; i += 1) {
          if (txt.indexOf(query[i]) === -1) {
            return false;
          }
        }
        return true;
      }
    }, opt);
    
    this.go = function () {
      
      var i = 0,
        numMatchedRows = 0,
        noresults = true, 
        query = options.prepareQuery(val),
        val_empty = (val.replace(' ', '').length === 0);
      
      for (var i = 0, len = rowcache.length; i < len; i++) {
        if (val_empty || options.testQuery(query, cache[i], rowcache[i])) {
          options.show.apply(rowcache[i]);
          noresults = false;
          numMatchedRows++;
        } else {
          options.hide.apply(rowcache[i]);
        }
      }
      
      if (noresults) {
        this.results(false);
      } else {
        this.results(true);
        this.stripe();
      }
      
      this.matchedResultsCount = numMatchedRows;
      this.loader(false);
      options.onAfter();
      
      return this;
    };
    
    /*
     * External API so that users can perform search programatically. 
     * */
    this.search = function (submittedVal) {
      val = submittedVal;
      e.trigger();
    };
    
    /*
     * External API to get the number of matched results as seen in 
     * https://github.com/ruiz107/quicksearch/commit/f78dc440b42d95ce9caed1d087174dd4359982d6
     * */
    this.currentMatchedResults = function() {
      return this.matchedResultsCount;
    };
    
    this.stripe = function () {
      
      if (typeof options.stripeRows === "object" && options.stripeRows !== null)
      {
        var joined = options.stripeRows.join(' ');
        var stripeRows_length = options.stripeRows.length;
        
        jq_results.not(':hidden').each(function (i) {
          $(this).removeClass(joined).addClass(options.stripeRows[i % stripeRows_length]);
        });
      }
      
      return this;
    };
    
    this.strip_html = function (input) {
      var output = input.replace(new RegExp('<[^<]+\>', 'g'), "");
      output = $.trim(output.toLowerCase());
      return output;
    };
    
    this.results = function (bool) {
      if (typeof options.noResults === "string" && options.noResults !== "") {
        if (bool) {
          $(options.noResults).hide();
        } else {
          $(options.noResults).show();
        }
      }
      return this;
    };
    
    this.loader = function (bool) {
      if (typeof options.loader === "string" && options.loader !== "") {
         (bool) ? $(options.loader).show() : $(options.loader).hide();
      }
      return this;
    };
    
    this.cache = function () {
      
      jq_results = $(target);
      
      if (typeof options.noResults === "string" && options.noResults !== "") {
        jq_results = jq_results.not(options.noResults);
      }
      
      var t = (typeof options.selector === "string") ? jq_results.find(options.selector) : $(target).not(options.noResults);
      cache = t.map(function () {
        return e.strip_html(this.innerHTML);
      });
      
      rowcache = jq_results.map(function () {
        return this;
      });

      /*
       * Modified fix for sync-ing "val". 
       * Original fix https://github.com/michaellwest/quicksearch/commit/4ace4008d079298a01f97f885ba8fa956a9703d1
       * */
      val = val || this.val() || "";
      
      return this.go();
    };
    
    this.trigger = function () {
      this.loader(true);
      options.onBefore();
      
      window.clearTimeout(timeout);
      timeout = window.setTimeout(function () {
        e.go();
      }, options.delay);
      
      return this;
    };
    
    this.cache();
    this.results(true);
    this.stripe();
    this.loader(false);
    
    return this.each(function () {
      
      /*
       * Changed from .bind to .on.
       * */
      $(this).on(options.bind, function () {
        
        val = $(this).val();
        e.trigger();
      });
    });
    
  };

}(jQuery, this, document));
